package com.hzhk.happyrent.utils;

import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.view.View;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

public class CreateBitmapImage {

    private static CreateBitmapImage bpUtil;

    private CreateBitmapImage() {
    }


    public static CreateBitmapImage getInstance () {
        if (bpUtil == null) bpUtil = new CreateBitmapImage();
        return bpUtil;
    }

    public Bitmap getBitmap (View view, String color) {
        return createBitmap(view, color);
    }

    private Bitmap createBitmap (View view, String color) {

        Bitmap bp = Bitmap.createBitmap(80, 40, Config.ARGB_8888);
        Canvas c = new Canvas(bp);
        // c.drawColor(Color.rgb(DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_COLOR));
        // c.drawColor(Color.rgb(255,0,0));
        if (StringUtils.isEmpty(color)) {
            c.drawColor(Color.parseColor("#cc0000"));
        } else {
        	if("red".equals(color)){
        		c.drawColor(Color.parseColor("#cc0000"));
        	}else if("blue".equals(color)){
        		c.drawColor(Color.parseColor("#0066cc"));
        	}else if("green".equals(color)){
        		c.drawColor(Color.parseColor("#009900"));
        	}else{
        		c.drawColor(Color.parseColor(color));
        	}
        }
        c.save(Canvas.ALL_SAVE_FLAG);// 保存
        c.restore();//
        return getRoundRectBitmap(bp, view);
    }

    /**
     * 将 bitmap 转换成圆角矩形
     *
     * @param bitmap
     * @return
     */
    public Bitmap getRoundRectBitmap (Bitmap bitmap, View view) {
        if (bitmap == null) {
            return null;
        }
        float index = (float) bitmap.getWidth() / (float) bitmap.getHeight();
        Drawable imageDrawable = new BitmapDrawable(view.getResources(), bitmap);
        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
        Canvas canvas = new Canvas(output);
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        paint.setColor(Color.WHITE);
        // 消除走样
        paint.setAntiAlias(true);
        paint.setFilterBitmap(true);
        paint.setDither(true);
        paint.setStyle(Style.STROKE);// 填充样式改为描边
        RectF rectF = new RectF(0, 0, bitmap.getWidth(), bitmap.getHeight());
        canvas.drawRoundRect(rectF, 3 * index, 6, paint);
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        imageDrawable.setBounds(0, 0, bitmap.getWidth(), bitmap.getHeight());
        canvas.saveLayer(rectF, paint, Canvas.ALL_SAVE_FLAG);
        imageDrawable.draw(canvas);
        canvas.restore();
        return output;
    }


    public Bitmap comp (Bitmap image) {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        image.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        if (baos.toByteArray().length / 1024 > 1024) {//判断如果图片大于1M,进行压缩避免在生成图片（BitmapFactory.decodeStream）时溢出
            baos.reset();//重置baos即清空baos
            image.compress(Bitmap.CompressFormat.JPEG, 50, baos);//这里压缩50%，把压缩后的数据存放到baos中
        }
        ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());
        BitmapFactory.Options newOpts = new BitmapFactory.Options();
        //开始读入图片，此时把options.inJustDecodeBounds 设回true了
        newOpts.inJustDecodeBounds = true;
        Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);
        newOpts.inJustDecodeBounds = false;
        int w = newOpts.outWidth;
        int h = newOpts.outHeight;
        //现在主流手机比较多是800*480分辨率，所以高和宽我们设置为
        float hh = 800f;//这里设置高度为800f
        float ww = 480f;//这里设置宽度为480f
        //缩放比。由于是固定比例缩放，只用高或者宽其中一个数据进行计算即可
        int be = 1;//be=1表示不缩放
        if (w > h && w > ww) {//如果宽度大的话根据宽度固定大小缩放
            be = (int) (newOpts.outWidth / ww);
        } else if (w < h && h > hh) {//如果高度高的话根据宽度固定大小缩放
            be = (int) (newOpts.outHeight / hh);
        }
        if (be <= 0) be = 1;
        newOpts.inSampleSize = be;//设置缩放比例
        //重新读入图片，注意此时已经把options.inJustDecodeBounds 设回false了
        isBm = new ByteArrayInputStream(baos.toByteArray());
        bitmap = BitmapFactory.decodeStream(isBm, null, newOpts);
        return compressImage(bitmap);//压缩好比例大小后再进行质量压缩
    }

    private Bitmap compressImage (Bitmap image) {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        image.compress(Bitmap.CompressFormat.JPEG, 100, baos);//质量压缩方法，这里100表示不压缩，把压缩后的数据存放到baos中
        int options = 100;
        while (baos.toByteArray().length / 1024 > 100) {  //循环判断如果压缩后图片是否大于100kb,大于继续压缩
            baos.reset();//重置baos即清空baos  
            image.compress(Bitmap.CompressFormat.JPEG, options, baos);//这里压缩options%，把压缩后的数据存放到baos中
            options -= 10;//每次都减少10  
        }
        ByteArrayInputStream isBm = new ByteArrayInputStream(baos.toByteArray());//把压缩后的数据baos存放到ByteArrayInputStream中
        Bitmap bitmap = BitmapFactory.decodeStream(isBm, null, null);//把ByteArrayInputStream数据生成图片
        return bitmap;
    }
    public static String getColor(String color){
    	if("red".equals(color)){
    		return "#cc0000";
    	}else if("blue".equals(color)){
    		return "#0066cc";
    	}else if("green".equals(color)){
    		return "#009900";
    	}else{
    		return color;
    	}
    } 
}
